Home / 1,442,000.82-2,163,005.94-543,201.32

Finding the Fourth Proportional to 1,442,000.82, 2,163,005.94 and 543,201.32

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Solution

The fourth proportional to 1,442,000.82, 2,163,005.94 and 543,201.32 is: 814,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,000.82 : 2,163,005.94 = 543,201.32 : x
  2. Step 2: Convert to fraction form
    1,442,000.82/2,163,005.94 = 543,201.32/x
  3. Step 3: Cross multiply
    1,442,000.82x = 2,163,005.94 × 543,201.32
  4. Step 4: Simplify right side
    1,442,000.82x = 1,174,947,681,775.84
  5. Step 5: Solve for x
    x = 1,174,947,681,775.84/1,442,000.82
  6. Step 6: Final answer
    x = 814,803.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.